! Started logfile: /vlbi/uf001/uva//J1620+4901_X_dfm.log on Mon Jan 14 03:39:54 2019 float field_size field_size = 1024 float field_cell field_cell = 0.2000 float taper_size taper_size = 70.0 float freq freq = 8.42800 obs /vlbi/uf001/uva//J1620+4901_X_uva.fits ! Reading UV FITS file: /vlbi/uf001/uva//J1620+4901_X_uva.fits ! AN table 1: 72 integrations on 45 of 45 possible baselines. ! Apparent sampling: 0.855247 visibilities/baseline/integration-bin. ! Found source: J1620+4901 ! ! There are 12 IFs, and a total of 12 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 8.428e+09 3.2e+07 1 3.2e+07 ! 02 2 8.46e+09 3.2e+07 1 3.2e+07 ! 03 3 8.492e+09 3.2e+07 1 3.2e+07 ! 04 4 8.524e+09 3.2e+07 1 3.2e+07 ! 05 5 8.588e+09 3.2e+07 1 3.2e+07 ! 06 6 8.62e+09 3.2e+07 1 3.2e+07 ! 07 7 8.684e+09 3.2e+07 1 3.2e+07 ! 08 8 8.716e+09 3.2e+07 1 3.2e+07 ! 09 9 8.78e+09 3.2e+07 1 3.2e+07 ! 10 10 8.812e+09 3.2e+07 1 3.2e+07 ! 11 11 8.844e+09 3.2e+07 1 3.2e+07 ! 12 12 8.876e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 134 lines of history. ! ! Reading 33252 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 12 channels. ! Selecting polarization: RR, channels: 1..12 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 ! Reading IF 9 channels: 9..9 ! Reading IF 10 channels: 10..10 ! Reading IF 11 channels: 11..11 ! Reading IF 12 channels: 12..12 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.2 print "taper_size =", taper_size ! taper_size = 70 ![@/opt64/bin/pima_mupet_01.dfm J1620+4901_X] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.200x0.200 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 2. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 3. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 4. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 5. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 6. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 7. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 8. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 9. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 10. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 11. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Correcting IF 12. ! A total of 56 telescope corrections were flagged in sub-array 1. ! ! Fit before self-cal, rms=1.018343Jy sigma=21.016874 ! Fit after self-cal, rms=0.825814Jy sigma=16.623989 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.7595 mas, bmaj=1.364 mas, bpa=-21.08 degrees ! Estimated noise=0.443866 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0, 0). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.133512 Jy ! Component: 100 - total flux cleaned = 0.173567 Jy ! Total flux subtracted in 100 components = 0.173567 Jy ! Clean residual min=-0.009776 max=0.017841 Jy/beam ! Clean residual mean=0.000005 rms=0.002520 Jy/beam ! Combined flux in latest and established models = 0.173567 Jy ! Performing phase self-cal ! Adding 10 model components to the UV plane model. ! The established model now contains 10 components and 0.173567 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.090691Jy sigma=1.823866 ! Fit after self-cal, rms=0.090598Jy sigma=1.822599 ! Inverting map ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0204621 Jy ! Component: 100 - total flux cleaned = 0.032472 Jy ! Total flux subtracted in 100 components = 0.032472 Jy ! Clean residual min=-0.009039 max=0.014855 Jy/beam ! Clean residual mean=0.000006 rms=0.002069 Jy/beam ! Combined flux in latest and established models = 0.206039 Jy ! Performing phase self-cal ! Adding 14 model components to the UV plane model. ! The established model now contains 21 components and 0.206039 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.084777Jy sigma=1.624409 ! Fit after self-cal, rms=0.084744Jy sigma=1.623544 ! Inverting map ! Added new window around map position (0.4, 2). ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0135382 Jy ! Component: 100 - total flux cleaned = 0.0215621 Jy ! Total flux subtracted in 100 components = 0.0215621 Jy ! Clean residual min=-0.008147 max=0.011196 Jy/beam ! Clean residual mean=0.000005 rms=0.001868 Jy/beam ! Combined flux in latest and established models = 0.227601 Jy ! Performing phase self-cal ! Adding 18 model components to the UV plane model. ! The established model now contains 36 components and 0.227601 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.081744Jy sigma=1.530044 ! Fit after self-cal, rms=0.081524Jy sigma=1.525079 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9934 mas, bmaj=1.657 mas, bpa=-18.69 degrees ! Estimated noise=0.19538 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.012574 Jy ! Component: 100 - total flux cleaned = 0.0206228 Jy ! Component: 150 - total flux cleaned = 0.0261908 Jy ! Component: 200 - total flux cleaned = 0.0300814 Jy ! Total flux subtracted in 200 components = 0.0300814 Jy ! Clean residual min=-0.010482 max=0.011137 Jy/beam ! Clean residual mean=-0.000009 rms=0.002233 Jy/beam ! Combined flux in latest and established models = 0.257682 Jy ! Performing phase self-cal ! Adding 37 model components to the UV plane model. ! The established model now contains 63 components and 0.257682 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079917Jy sigma=1.459703 ! Fit after self-cal, rms=0.079811Jy sigma=1.456398 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 0.9934 x 1.657 at -18.69 degrees (North through East) ! Clean map min=-0.010046 max=0.17965 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! BR 1.25 FD 1.06 HN 0.94 KP 1.13 ! LA 0.81 MK 1.10 NL 1.14 OV 0.96 ! PT 0.97 SC 0.99 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! BR 1.26 FD 1.07 HN 0.97 KP 1.09 ! LA 0.80 MK 1.05 NL 1.14 OV 0.95 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! BR 1.20 FD 1.06 HN 0.96 KP 1.11 ! LA 0.79 MK 1.08 NL 1.13 OV 0.95 ! PT 0.98 SC 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 1.06 HN 0.97 KP 1.13 ! LA 0.79 MK 1.05 NL 1.13 OV 0.95 ! PT 0.95 SC 0.96 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! BR 1.21 FD 1.07 HN 0.95 KP 1.11 ! LA 0.81 MK 1.03 NL 1.12 OV 0.96 ! PT 0.96 SC 0.99 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! BR 1.28 FD 1.07 HN 0.95 KP 1.15 ! LA 0.78 MK 1.06 NL 1.17 OV 0.93 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! BR 1.27 FD 1.06 HN 0.97 KP 1.10 ! LA 0.78 MK 1.06 NL 1.13 OV 0.94 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.06 HN 0.97 KP 1.10 ! LA 0.78 MK 1.08 NL 1.13 OV 0.93 ! PT 0.95 SC 0.97 ! ! ! Correcting IF 9. ! Telescope amplitude corrections in sub-array 1: ! BR 1.25 FD 1.07 HN 0.93 KP 1.10 ! LA 0.80 MK 1.03 NL 1.13 OV 0.93 ! PT 0.94 SC 0.96 ! ! ! Correcting IF 10. ! Telescope amplitude corrections in sub-array 1: ! BR 1.24 FD 1.06 HN 0.95 KP 1.10 ! LA 0.79 MK 1.02 NL 1.11 OV 0.95 ! PT 0.95 SC 0.98 ! ! ! Correcting IF 11. ! Telescope amplitude corrections in sub-array 1: ! BR 1.35 FD 1.05 HN 0.93 KP 1.10 ! LA 0.78 MK 1.04 NL 1.10 OV 0.94 ! PT 0.95 SC 0.99 ! ! ! Correcting IF 12. ! Telescope amplitude corrections in sub-array 1: ! BR 1.23 FD 1.07 HN 0.94 KP 1.12 ! LA 0.80 MK 1.01 NL 1.13 OV 0.93 ! PT 0.97 SC 1.00 ! ! ! Fit before self-cal, rms=0.079811Jy sigma=1.456398 ! Fit after self-cal, rms=0.077319Jy sigma=1.273840 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=0.9987 mas, bmaj=1.682 mas, bpa=-18.52 degrees ! Estimated noise=0.196396 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (0.8, 8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00820608 Jy ! Component: 100 - total flux cleaned = 0.00969788 Jy ! Component: 150 - total flux cleaned = 0.0109871 Jy ! Component: 200 - total flux cleaned = 0.0116111 Jy ! Total flux subtracted in 200 components = 0.0116111 Jy ! Clean residual min=-0.003609 max=0.007135 Jy/beam ! Clean residual mean=-0.000004 rms=0.000918 Jy/beam ! Combined flux in latest and established models = 0.269293 Jy ! Performing phase self-cal ! Adding 26 model components to the UV plane model. ! The established model now contains 88 components and 0.269293 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.076415Jy sigma=1.248259 ! Fit after self-cal, rms=0.076647Jy sigma=1.245016 ! Inverting map ! Added new window around map position (0.6, 4.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0055503 Jy ! Component: 100 - total flux cleaned = 0.0057793 Jy ! Component: 150 - total flux cleaned = 0.0060817 Jy ! Component: 200 - total flux cleaned = 0.00639839 Jy ! Total flux subtracted in 200 components = 0.00639839 Jy ! Clean residual min=-0.003277 max=0.004096 Jy/beam ! Clean residual mean=-0.000004 rms=0.000768 Jy/beam ! Combined flux in latest and established models = 0.275692 Jy ! Performing phase self-cal ! Adding 25 model components to the UV plane model. ! The established model now contains 109 components and 0.275692 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.076110Jy sigma=1.232126 ! Fit after self-cal, rms=0.076049Jy sigma=1.230106 ! Inverting map ! Added new window around map position (1.6, -0.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00250396 Jy ! Component: 100 - total flux cleaned = 0.00302953 Jy ! Component: 150 - total flux cleaned = 0.00346465 Jy ! Component: 200 - total flux cleaned = 0.00408215 Jy ! Total flux subtracted in 200 components = 0.00408215 Jy ! Clean residual min=-0.002921 max=0.003501 Jy/beam ! Clean residual mean=-0.000003 rms=0.000684 Jy/beam ! Combined flux in latest and established models = 0.279774 Jy ! Performing phase self-cal ! Adding 24 model components to the UV plane model. ! The established model now contains 124 components and 0.279774 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.075726Jy sigma=1.223941 ! Fit after self-cal, rms=0.075717Jy sigma=1.223530 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.075717Jy sigma=1.223530 ! Fit after self-cal, rms=0.079389Jy sigma=1.203375 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.003 mas, bmaj=1.691 mas, bpa=-18.46 degrees ! Estimated noise=0.197059 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000237536 Jy ! Component: 100 - total flux cleaned = 0.000300775 Jy ! Component: 150 - total flux cleaned = 0.00046062 Jy ! Component: 200 - total flux cleaned = 0.000606097 Jy ! Total flux subtracted in 200 components = 0.000606097 Jy ! Clean residual min=-0.001741 max=0.001750 Jy/beam ! Clean residual mean=-0.000001 rms=0.000389 Jy/beam ! Combined flux in latest and established models = 0.28038 Jy selfcal ! Performing phase self-cal ! Adding 22 model components to the UV plane model. ! The established model now contains 144 components and 0.28038 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079289Jy sigma=1.201199 ! Fit after self-cal, rms=0.079321Jy sigma=1.201031 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (4.8, -45). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00153876 Jy ! Component: 100 - total flux cleaned = 0.00177655 Jy ! Component: 150 - total flux cleaned = 0.0020356 Jy ! Component: 200 - total flux cleaned = 0.00231472 Jy ! Total flux subtracted in 200 components = 0.00231472 Jy ! Clean residual min=-0.001617 max=0.001672 Jy/beam ! Clean residual mean=-0.000002 rms=0.000354 Jy/beam ! Combined flux in latest and established models = 0.282695 Jy ! Performing phase self-cal ! Adding 33 model components to the UV plane model. ! The established model now contains 162 components and 0.282695 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079258Jy sigma=1.199648 ! Fit after self-cal, rms=0.079257Jy sigma=1.199594 ! Inverting map ! Added new window around map position (10.8, 27.4). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00103602 Jy ! Component: 100 - total flux cleaned = 0.0016103 Jy ! Component: 150 - total flux cleaned = 0.00190851 Jy ! Component: 200 - total flux cleaned = 0.00218712 Jy ! Total flux subtracted in 200 components = 0.00218712 Jy ! Clean residual min=-0.001551 max=0.001337 Jy/beam ! Clean residual mean=-0.000002 rms=0.000326 Jy/beam ! Combined flux in latest and established models = 0.284882 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 182 components and 0.284882 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079207Jy sigma=1.198545 ! Fit after self-cal, rms=0.079201Jy sigma=1.198499 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079201Jy sigma=1.198499 ! Fit after self-cal, rms=0.079436Jy sigma=1.198155 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=1.005 mas, bmaj=1.693 mas, bpa=-18.46 degrees ! Estimated noise=0.196673 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00042238 Jy ! Component: 100 - total flux cleaned = -0.000201035 Jy ! Component: 150 - total flux cleaned = 3.31095e-05 Jy ! Component: 200 - total flux cleaned = 0.000217903 Jy ! Total flux subtracted in 200 components = 0.000217903 Jy ! Clean residual min=-0.001441 max=0.001287 Jy/beam ! Clean residual mean=-0.000001 rms=0.000302 Jy/beam ! Combined flux in latest and established models = 0.2851 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 192 components and 0.285099 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079400Jy sigma=1.197462 ! Fit after self-cal, rms=0.079398Jy sigma=1.197433 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -4.31415e-05 Jy ! Component: 100 - total flux cleaned = 0.000157441 Jy ! Component: 150 - total flux cleaned = 0.000346955 Jy ! Component: 200 - total flux cleaned = 0.000527013 Jy ! Total flux subtracted in 200 components = 0.000527013 Jy ! Clean residual min=-0.001395 max=0.001259 Jy/beam ! Clean residual mean=-0.000001 rms=0.000292 Jy/beam ! Combined flux in latest and established models = 0.285627 Jy ! Performing phase self-cal ! Adding 44 model components to the UV plane model. ! The established model now contains 198 components and 0.285626 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079377Jy sigma=1.197026 ! Fit after self-cal, rms=0.079374Jy sigma=1.197014 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079374Jy sigma=1.197014 ! Fit after self-cal, rms=0.079497Jy sigma=1.196904 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.254 mas, bmaj=2.7 mas, bpa=-28.61 degrees ! Estimated noise=0.223953 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00031126 Jy ! Component: 100 - total flux cleaned = 0.000682492 Jy ! Component: 150 - total flux cleaned = 0.000829718 Jy ! Component: 200 - total flux cleaned = 0.000936609 Jy ! Total flux subtracted in 200 components = 0.000936609 Jy ! Clean residual min=-0.001390 max=0.001425 Jy/beam ! Clean residual mean=-0.000002 rms=0.000326 Jy/beam ! Combined flux in latest and established models = 0.286563 Jy selfcal ! Performing phase self-cal ! Adding 34 model components to the UV plane model. ! The established model now contains 229 components and 0.286563 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079494Jy sigma=1.196690 ! Fit after self-cal, rms=0.079492Jy sigma=1.196632 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (40.2, -8.6). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000907533 Jy ! Component: 100 - total flux cleaned = 0.001352 Jy ! Component: 150 - total flux cleaned = 0.00170117 Jy ! Component: 200 - total flux cleaned = 0.0019525 Jy ! Total flux subtracted in 200 components = 0.0019525 Jy ! Clean residual min=-0.001199 max=0.001099 Jy/beam ! Clean residual mean=-0.000001 rms=0.000286 Jy/beam ! Combined flux in latest and established models = 0.288516 Jy ! Performing phase self-cal ! Adding 39 model components to the UV plane model. ! The established model now contains 260 components and 0.288516 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079472Jy sigma=1.196088 ! Fit after self-cal, rms=0.079471Jy sigma=1.196049 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.695 mas, bpa=-18.45 degrees ! Estimated noise=0.196423 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.006 x 1.695 at -18.45 degrees (North through East) ! Clean map min=-0.0011747 max=0.17964 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=0.7681 mas, bmaj=1.393 mas, bpa=-20.56 degrees ! Estimated noise=0.452611 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.13585 Jy ! Component: 100 - total flux cleaned = 0.175796 Jy ! Component: 150 - total flux cleaned = 0.196115 Jy ! Component: 200 - total flux cleaned = 0.20854 Jy ! Total flux subtracted in 200 components = 0.20854 Jy ! Clean residual min=-0.003793 max=0.006928 Jy/beam ! Clean residual mean=0.000003 rms=0.001077 Jy/beam ! Combined flux in latest and established models = 0.20854 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 23 model components to the UV plane model. ! The established model now contains 23 components and 0.20854 Jy ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.695 mas, bpa=-18.45 degrees ! Estimated noise=0.196423 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0150577 Jy ! Component: 100 - total flux cleaned = 0.0252252 Jy ! Component: 150 - total flux cleaned = 0.0330746 Jy ! Component: 200 - total flux cleaned = 0.0392739 Jy ! Total flux subtracted in 200 components = 0.0392739 Jy ! Clean residual min=-0.002457 max=0.003720 Jy/beam ! Clean residual mean=-0.000003 rms=0.000800 Jy/beam ! Combined flux in latest and established models = 0.247814 Jy ! Adding 62 model components to the UV plane model. ! The established model now contains 77 components and 0.247814 Jy ! Inverting map ! Added new window around map position (-0.4, 1.8). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0050111 Jy ! Component: 100 - total flux cleaned = 0.00913918 Jy ! Component: 150 - total flux cleaned = 0.0126112 Jy ! Component: 200 - total flux cleaned = 0.015557 Jy ! Total flux subtracted in 200 components = 0.015557 Jy ! Clean residual min=-0.001833 max=0.001925 Jy/beam ! Clean residual mean=-0.000001 rms=0.000501 Jy/beam ! Combined flux in latest and established models = 0.263371 Jy ! Adding 54 model components to the UV plane model. ! The established model now contains 117 components and 0.263371 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 70 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=2.254 mas, bmaj=2.7 mas, bpa=-28.61 degrees ! Estimated noise=0.223953 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00421791 Jy ! Component: 100 - total flux cleaned = 0.00737522 Jy ! Component: 150 - total flux cleaned = 0.00991973 Jy ! Component: 200 - total flux cleaned = 0.0120177 Jy ! Total flux subtracted in 200 components = 0.0120177 Jy ! Clean residual min=-0.001752 max=0.001800 Jy/beam ! Clean residual mean=-0.000002 rms=0.000504 Jy/beam ! Combined flux in latest and established models = 0.275388 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0017963 Jy ! Component: 100 - total flux cleaned = 0.00336192 Jy ! Component: 150 - total flux cleaned = 0.00473367 Jy ! Component: 200 - total flux cleaned = 0.00594396 Jy ! Total flux subtracted in 200 components = 0.00594396 Jy ! Clean residual min=-0.001390 max=0.001274 Jy/beam ! Clean residual mean=-0.000002 rms=0.000372 Jy/beam ! Combined flux in latest and established models = 0.281332 Jy ! Adding 135 model components to the UV plane model. ! The established model now contains 235 components and 0.281332 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=1.006 mas, bmaj=1.695 mas, bpa=-18.45 degrees ! Estimated noise=0.196423 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000929567 Jy ! Component: 100 - total flux cleaned = 0.0017147 Jy ! Component: 150 - total flux cleaned = 0.0025185 Jy ! Component: 200 - total flux cleaned = 0.00327104 Jy ! Total flux subtracted in 200 components = 0.00327104 Jy ! Clean residual min=-0.001206 max=0.001291 Jy/beam ! Clean residual mean=-0.000001 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.284603 Jy selfcal ! Performing phase self-cal ! Adding 42 model components to the UV plane model. ! The established model now contains 274 components and 0.284603 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Correcting IF 9. ! ! Correcting IF 10. ! ! Correcting IF 11. ! ! Correcting IF 12. ! ! Fit before self-cal, rms=0.079508Jy sigma=1.196706 ! Fit after self-cal, rms=0.079460Jy sigma=1.196313 wmodel J1620+4901_X_map.mod ! Writing 274 model components to file: J1620+4901_X_map.mod wobs J1620+4901_X_uvs.fits ! Writing UV FITS file: J1620+4901_X_uvs.fits wwins J1620+4901_X_map.win ! wwins: Wrote 9 windows to J1620+4901_X_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 0.00017316 Jy ! Component: 100 - total flux cleaned = 9.29652e-05 Jy ! Component: 150 - total flux cleaned = 1.78498e-05 Jy ! Component: 200 - total flux cleaned = -5.46725e-05 Jy ! Component: 250 - total flux cleaned = -0.000107494 Jy ! Component: 300 - total flux cleaned = -0.00017649 Jy ! Component: 350 - total flux cleaned = -0.000227619 Jy ! Component: 400 - total flux cleaned = -0.000294125 Jy ! Component: 450 - total flux cleaned = -0.00026151 Jy ! Component: 500 - total flux cleaned = -0.000357174 Jy ! Component: 550 - total flux cleaned = -0.000357115 Jy ! Component: 600 - total flux cleaned = -0.000419063 Jy ! Component: 650 - total flux cleaned = -0.000479949 Jy ! Component: 700 - total flux cleaned = -0.000540021 Jy ! Component: 750 - total flux cleaned = -0.000629012 Jy ! Component: 800 - total flux cleaned = -0.000658007 Jy ! Component: 850 - total flux cleaned = -0.000701484 Jy ! Component: 900 - total flux cleaned = -0.000758959 Jy ! Component: 950 - total flux cleaned = -0.000858119 Jy ! Component: 1000 - total flux cleaned = -0.000970192 Jy ! Component: 1050 - total flux cleaned = -0.00101184 Jy ! Component: 1100 - total flux cleaned = -0.00114906 Jy ! Component: 1150 - total flux cleaned = -0.00113529 Jy ! Component: 1200 - total flux cleaned = -0.0012026 Jy ! Component: 1250 - total flux cleaned = -0.0012027 Jy ! Component: 1300 - total flux cleaned = -0.00125541 Jy ! Component: 1350 - total flux cleaned = -0.00126852 Jy ! Component: 1400 - total flux cleaned = -0.00128147 Jy ! Component: 1450 - total flux cleaned = -0.00129446 Jy ! Component: 1500 - total flux cleaned = -0.00135822 Jy ! Component: 1550 - total flux cleaned = -0.00135816 Jy ! Component: 1600 - total flux cleaned = -0.00139573 Jy ! Component: 1650 - total flux cleaned = -0.00142048 Jy ! Component: 1700 - total flux cleaned = -0.0013587 Jy ! Component: 1750 - total flux cleaned = -0.00138335 Jy ! Component: 1800 - total flux cleaned = -0.00138335 Jy ! Component: 1850 - total flux cleaned = -0.00140743 Jy ! Component: 1900 - total flux cleaned = -0.00139544 Jy ! Component: 1950 - total flux cleaned = -0.00139528 Jy ! Component: 2000 - total flux cleaned = -0.00134824 Jy ! Component: 2050 - total flux cleaned = -0.00141856 Jy ! Component: 2100 - total flux cleaned = -0.0014069 Jy ! Component: 2150 - total flux cleaned = -0.0014069 Jy ! Component: 2200 - total flux cleaned = -0.00141832 Jy ! Component: 2250 - total flux cleaned = -0.00138413 Jy ! Component: 2300 - total flux cleaned = -0.00133896 Jy ! Component: 2350 - total flux cleaned = -0.00135013 Jy ! Component: 2400 - total flux cleaned = -0.00135027 Jy ! Component: 2450 - total flux cleaned = -0.00133905 Jy ! Component: 2500 - total flux cleaned = -0.00135011 Jy ! Component: 2550 - total flux cleaned = -0.00138308 Jy ! Component: 2600 - total flux cleaned = -0.00137216 Jy ! Component: 2650 - total flux cleaned = -0.0014046 Jy ! Component: 2700 - total flux cleaned = -0.00139383 Jy ! Component: 2750 - total flux cleaned = -0.00136168 Jy ! Component: 2800 - total flux cleaned = -0.00137234 Jy ! Component: 2850 - total flux cleaned = -0.00136179 Jy ! Component: 2900 - total flux cleaned = -0.00129855 Jy ! Component: 2950 - total flux cleaned = -0.00131954 Jy ! Component: 3000 - total flux cleaned = -0.00126754 Jy ! Component: 3050 - total flux cleaned = -0.00123649 Jy ! Component: 3100 - total flux cleaned = -0.00127751 Jy ! Component: 3150 - total flux cleaned = -0.00125715 Jy ! Component: 3200 - total flux cleaned = -0.0012572 Jy ! Component: 3250 - total flux cleaned = -0.00124704 Jy ! Component: 3300 - total flux cleaned = -0.00121693 Jy ! Component: 3350 - total flux cleaned = -0.00122693 Jy ! Component: 3400 - total flux cleaned = -0.00120697 Jy ! Component: 3450 - total flux cleaned = -0.00117729 Jy ! Component: 3500 - total flux cleaned = -0.00115757 Jy ! Component: 3550 - total flux cleaned = -0.00114766 Jy ! Component: 3600 - total flux cleaned = -0.00111841 Jy ! Component: 3650 - total flux cleaned = -0.00109906 Jy ! Component: 3700 - total flux cleaned = -0.00110874 Jy ! Component: 3750 - total flux cleaned = -0.00109913 Jy ! Component: 3800 - total flux cleaned = -0.00104187 Jy ! Component: 3850 - total flux cleaned = -0.00100385 Jy ! Component: 3900 - total flux cleaned = -0.000975461 Jy ! Component: 3950 - total flux cleaned = -0.000975524 Jy ! Component: 4000 - total flux cleaned = -0.000956774 Jy ! Component: 4050 - total flux cleaned = -0.000910154 Jy ! Total flux subtracted in 4096 components = -0.000910243 Jy ! Clean residual min=-0.000497 max=0.000485 Jy/beam ! Clean residual mean=-0.000000 rms=0.000159 Jy/beam ! Combined flux in latest and established models = 0.283693 Jy keep ! Adding 309 model components to the UV plane model. ! The established model now contains 581 components and 0.283693 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap /vlbi/uf001/uva//J1620+4901_X_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 1.006 x 1.695 at -18.45 degrees (North through East) ! Clean map min=-0.00082058 max=0.18092 Jy/beam ! Writing clean map to FITS file: /vlbi/uf001/uva//J1620+4901_X_map.fits wmodel /vlbi/uf001/uva//J1620+4901_X_map.mod ! Writing 581 model components to file: /vlbi/uf001/uva//J1620+4901_X_map.mod wobs /vlbi/uf001/uva//J1620+4901_X_uvs.fits ! Writing UV FITS file: /vlbi/uf001/uva//J1620+4901_X_uvs.fits wwins /vlbi/uf001/uva//J1620+4901_X_map.win ! wwins: Wrote 10 windows to /vlbi/uf001/uva//J1620+4901_X_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.180918 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.000158384 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -0.262633 0.262633 0.525267 1.05053 2.10107 4.20213 8.40427 16.8085 33.6171 67.2341 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.0004 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.18 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 1142.28 quit ! Quitting program ! Log file /vlbi/uf001/uva//J1620+4901_X_dfm.log closed on Mon Jan 14 03:40:01 2019